46447272 has 48 divisors (see below), whose sum is σ = 127532340. Its totient is φ = 15268608.

The previous prime is 46447259. The next prime is 46447273. The reversal of 46447272 is 27274464.

It is a happy number.

46447272 is a `hidden beast` number, since 4 + 644 + 7 + 2 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38862756 + 7584516 = 6234^2 + 2754^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (46447273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 838 + ... + 9674.

Almost surely, 2^46447272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46447272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63766170).

46447272 is an abundant number, since it is smaller than the sum of its proper divisors (81085068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46447272 is a wasteful number, since it uses less digits than its factorization.

46447272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8922 (or 8915 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 46447272 is about 6815.2235473240. The cubic root of 46447272 is about 359.4623455693.

The spelling of 46447272 in words is "forty-six million, four hundred forty-seven thousand, two hundred seventy-two".